Asfault 1 #1380
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

 More Textures
Wood 3 #1445
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Repeating Wood Straw Background #887
 Wood  CC BY-SA 3.0

A repeating background with wood/straw like texture.

Source V. Hartikainen

Green [email protected] #92
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Floral pattern 14 #1754
 Yellow  CC 0

The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Cork Floor #1281
 Yellow  CC 0

Zero CC tileable cork floor, photographed and made by me. CC0

Source Sojan Janso

Prismatic Abstract Geometric Background 2 #268
 Noise  CC 0

Prismatic Abstract Geometric Background 2

Source GDJ

"Black Groove Stripes", Repeating Background #971
 Stripes  CC BY-SA 3.0

A repeating background for websites with a texture of black groove stripes.

Source V. Hartikainen

Wood 7b #1451
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Transparent Square [email protected] #299
 Grid  CC BY-SA 3.0

The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.

Source Nathan Spady

Seamless tile 4 #1812
 Red  CC 0

Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern

Source Firkin

Rice Paper #[email protected] #1188
 Paper  CC BY-SA 3.0

Oh yes, it happened! A pattern in full color.

Source Atle Mo

Prismatic Groovy Concentric Background 5 No Black #467
 Dark  CC 0

Prismatic Groovy Concentric Background 5 No Black

Source GDJ

Seamless Core Pattern 3 #167
 Dark  CC 0

Seamless Core Pattern 3

Source GDJ

Brick Wall #1146
 Wall  CC BY-SA 3.0

One more brick pattern. A bit more depth to this one.

Source Benjamin Ward

Stone Wall & Blue #1525
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Moss 2 #2105
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Brushed Aluminum 1 #1389
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Stone Wall & Dark #1523
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 323 (colour 5) #1808
 Noise  CC 0

Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.

Source Firkin

Prismatic Geometric Pattern Background No [email protected] #786
 Noise  CC 0

Prismatic Geometric Pattern Background No Black

Source GDJ

Metal Pole Rusty & Yellow #1651
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Green Gobbler #85
 Dark  CC BY-SA 3.0

Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.

Source Simon Meek

Diagonales Decalé[email protected] #1019
 Light  CC BY-SA 3.0

Sounds French. Some 3D square diagonals, that’s all you need to know.

Source Graphiste

Background pattern 253 #2153
 Brown  CC 0

A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.

Source Firkin

Floral design 70 #2520
 Dark  CC 0

Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.

Source Firkin

Feathered #1324
 Unknow  CC BY-SA 3.0

This is sort of fresh, but still feels a bit old school.

Source Martuchox

WaveCut #75
 Light  CC BY-SA 3.0

If you like it a bit trippy, this wave pattern might be for you.

Source Ian Soper

Prismatic Groovy Concentric Background [email protected] #454
 Noise  CC 0

Prismatic Groovy Concentric Background 2

Source GDJ

Diamond pattern (colour 9) #2269
 Fabric  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin